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Priority to JP12425085UpriorityCriticalpatent/JPS6235038U/ja
Publication of JPS6235038UpublicationCriticalpatent/JPS6235038U/ja
E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
E02B17/0818—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with racks actuated by pinions